A terror attack sponsored by Iran is an ongoing concern for the NYPD, Commissioner Ray Kelly revealed yesterday.

“We’ve been concerned about Iran for a while, and I think the history of those events throughout the world since January give us cause for concern,” Kelly said during an anti-terror conference called NYPD SHIELD.

Kelly also said that a possible conflict between Iran and Israel is a particular area of concern, given New York City’s large Jewish population.

One issue is the potential for a retaliation attack on New York City by Iran and Hezbollah, said NYPD Lt. Kevin Yorke of the Intelligence Division.

“Within the last year, we’ve seen a worldwide increase in incidents involving the stockpiling of explosives, the surveillance of targets, and a number of very significant plots and attacks,” Yorke said.

That increase in activity is in direct relation to Iran’s nuclear-weapons program and the tension surrounding it, Yorke said.

“Obviously if there’s any action involving Israel and Iran we have to be very cognizant of the potential of retaliation here in New York City,” Kelly said.

NYPD SHIELD is a public-private partnership that provides counterterrorism training in an effort to protect New York City from terrorist attacks.